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Chongqing Huacai Chemical Co., Ltd
Chongqing Huacai Chemical Co., Ltd
22 YRS
Chongqing City, China
Main Products:
Indigo / Vat Blue 4B / Vat Green 3 / Violanthrone / Vat Violet 1 / Vat Black 16 / Vat Black 25 / Benzanthrone / 3-Bromobenzo[B]Phenalen-7-One / 1-Aminoanthraquinone
Chongqing City, China
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Vat Black 16 / CAS 1328-19-4
OVERVIEW
Packaging
25 KG/Fibre Drum
Lead Time
14-30 days
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DESCRIPTION
Vat Black 16
CAS:1328-19-4
Molecular formula：C20H9BrClNO2S
Molecular weight：442.71296
Appearance:Reduced direct black is mainly used for cotton fiber dyeing and cotton printing, as well as vinylon and viscose fiber dyeing
Synopsis: Black powder with metallic luster. Insoluble in water and xylene, soluble in pyridine (blue with brownish red fluorescence). Dark purple in concentrated sulfuric acid. It is red purple in alkaline solution and yellow brown in acid solution.
Structural formula:
Typical Properties
Summary
Reduced direct black is mainly used for cotton fiber dyeing and cotton printing, as well as vinylon and viscose fiber dyeing
CAS No.
1328-19-4
Formula
C20H9BrClNO2S
Molecular Mass
442.71296
Exact Mass
0
PSA
0
Logp
0
IUPAC
5-bromo-2-(9-chloro-3-hydroxybenzo[g][1]benzothiol-2-yl)indol-3-one
SMILES
C1=CC2=C(C(=C1)Cl)C3=C(C=C2)C(=C(S3)C4=NC5=C(C4=O)C=C(C=C5)Br)O
Attribute classification
Matter Classification
organic
Category
Dyestuffs and Pigments > Vat Dyes
Chemical and Physical Properties
Appearance
Black powder with metallic luster. Insoluble in water and xylene, soluble in pyridine (blue with brownish red fluorescence). Dark purple in concentrated sulfuric acid. It is red purple in alkaline solution and yellow brown in acid solution.
Export information
HS Code
0.0
UN No.
0.0
DG-Class
0.0
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